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PE20090262A1 - AUGMENTED METHANE EVAPORATION SYSTEM FOR NATURAL GAS LIQUEFACTION - Google Patents

AUGMENTED METHANE EVAPORATION SYSTEM FOR NATURAL GAS LIQUEFACTION

Info

Publication number
PE20090262A1
PE20090262A1 PE2008001629A PE2008001629A PE20090262A1 PE 20090262 A1 PE20090262 A1 PE 20090262A1 PE 2008001629 A PE2008001629 A PE 2008001629A PE 2008001629 A PE2008001629 A PE 2008001629A PE 20090262 A1 PE20090262 A1 PE 20090262A1
Authority
PE
Peru
Prior art keywords
natural gas
gas
current
undercooled
liquefied
Prior art date
Application number
PE2008001629A
Other languages
Spanish (es)
Inventor
Anthony P Eaton
Paul R Hahn
Jame Yao
Lee Rong-Jwyn
Ned P Baudat
Phillip D Ritchie
Original Assignee
Conocophillips Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Conocophillips Co filed Critical Conocophillips Co
Publication of PE20090262A1 publication Critical patent/PE20090262A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
    • F25J1/0262—Details of the cold heat exchange system
    • F25J1/0264—Arrangement of heat exchanger cores in parallel with different functions, e.g. different cooling streams
    • F25J1/0265—Arrangement of heat exchanger cores in parallel with different functions, e.g. different cooling streams comprising cores associated exclusively with the cooling of a refrigerant stream, e.g. for auto-refrigeration or economizer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
    • F25J1/0022—Hydrocarbons, e.g. natural gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
    • F25J1/004—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by flash gas recovery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
    • F25J1/0045—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by vaporising a liquid return stream
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
    • F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0203—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a single-component refrigerant [SCR] fluid in a closed vapor compression cycle
    • F25J1/0208—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a single-component refrigerant [SCR] fluid in a closed vapor compression cycle in combination with an internal quasi-closed refrigeration loop, e.g. with deep flash recycle loop
    • F25J1/0209—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a single-component refrigerant [SCR] fluid in a closed vapor compression cycle in combination with an internal quasi-closed refrigeration loop, e.g. with deep flash recycle loop as at least a three level refrigeration cascade
    • F25J1/021—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a single-component refrigerant [SCR] fluid in a closed vapor compression cycle in combination with an internal quasi-closed refrigeration loop, e.g. with deep flash recycle loop as at least a three level refrigeration cascade using a deep flash recycle loop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
    • F25J2220/64—Separating heavy hydrocarbons, e.g. NGL, LPG, C4+ hydrocarbons or heavy condensates in general
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2245/00—Processes or apparatus involving steps for recycling of process streams
    • F25J2245/90—Processes or apparatus involving steps for recycling of process streams the recycled stream being boil-off gas from storage

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

SE REFIERE A UN METODO QUE COMPRENDE: A) EVAPORAR UNA CORRIENTE DE GAS NATURAL PRESURIZADA LICUADA EN UN PRIMER EXPANSOR PARA PROVEER UN PRIMER GAS DE EVAPORACION Y UNA PRIMERA CORRIENTE LIQUIDA; B) EVAPORAR AL MENOS UNA PARTE DE LA PRIMERA CORRIENTE LIQUIDA EN UN SEGUNDO EXPANSOR PARA PROVEER UN SEGUNDO GAS DE EVAPORACION Y UNA SEGUNDA CORRIENTE LIQUIDA; C) SUB-ENFRIAR AL MENOS UNA PARTE DE LA SEGUNDA CORRIENTE LIQUIDA EN UN INTERCAMBIADOR DE CALOR PROVEYENDO ASI UNA CORRIENTE DE GAS NATURAL LICUADO SUB-ENFRIADO; D) CONDUCIR AL MENOS UNA PARTE DE LA CORRIENTE DE GAS NATURAL LICUADO SUB-ENFRIADO A UN ESTANQUE DE ALMACENAMIENTO. ADICIONALMENTE, SE TIENE: E) DIVIDIR UNA PARTE DEL GAS SUB-ENFRIADO EN UNA PARTE REFRIGERANTE Y EN UNA PARTE PRODUCTO; F) CONDUCIR LA PARTE REFRIGERANTE AL INTERCAMBIADOR DE CALOR; G) CONDUCIR LA PARTE PRODUCTO AL ESTANQUE DE ALMACENAMIENTO; H) EVAPORAR AL MENOS UNA PARTE DE LA CORRIENTE DE GAS LICUADO SUB-ENFRIADO PROVEYENDO UN TERCER GAS DE EVAPORACION Y UN PRODUCTO FINAL; I) CONDUCIR UNA PARTE DEL TERCER GAS DE EVAPORACION AL INTERCAMBIADOR DE CALOR; J) COMBINAR LA PARTE REFRIGERANTE Y EL TERCER GAS EN DICHO INTERCAMBIADOR; K) MANTENER LA PARTE PRODUCTO DE LA CORRIENTE DE GAS NATURAL SUB-ENFRIADO EN ESTADO LIQUIDO, EN EL ESTANQUE DE ALMACENAMIENTO; Y L) VAPORIZAR EL GAS NATURAL LICUADO ASI PRODUCIDOIT REFERS TO A METHOD THAT INCLUDES: A) EVAPORATING A CURRENT OF PRESSURIZED NATURAL GAS LIQUEFIED IN A FIRST EXPANDER TO PROVIDE A FIRST EVAPORATION GAS AND A FIRST LIQUID CURRENT; B) EVAPORATE AT LEAST A PART OF THE FIRST LIQUID CURRENT IN A SECOND EXPANDER TO PROVIDE A SECOND EVAPORATION GAS AND A SECOND LIQUID CURRENT; C) UNDERCOOLING AT LEAST A PART OF THE SECOND LIQUID CURRENT IN A HEAT EXCHANGER, THUS PROVIDING A UNDERCOOLED LIQUEFIED NATURAL GAS STREAM; D) CONDUCT AT LEAST A PART OF THE UNDERCOOLED LIQUEFIED NATURAL GAS STREAM TO A STORAGE POND. IN ADDITION, YOU HAVE: E) DIVIDE A PART OF THE UNDERCOOLED GAS INTO A REFRIGERANT PART AND INTO A PRODUCT PART; F) CONDUCT THE REFRIGERATING PART TO THE HEAT EXCHANGER; G) LEAD THE PRODUCT PART TO THE STORAGE POND; H) EVAPORATE AT LEAST A PART OF THE UNDERCOOLED LIQUEFIED GAS CURRENT PROVIDING A THIRD EVAPORATION GAS AND A FINAL PRODUCT; I) CONDUCT A PART OF THE THIRD EVAPORATION GAS TO THE HEAT EXCHANGER; J) COMBINE THE REFRIGERATING PART AND THE THIRD GAS IN SAID EXCHANGER; K) KEEP THE PRODUCT PART OF THE UNDERCOOLED NATURAL GAS CURRENT IN A LIQUID STATE, IN THE STORAGE POND; AND L) VAPORIZING THE LIQUEFIED NATURAL GAS SO PRODUCED

PE2008001629A 2002-11-13 2003-11-11 AUGMENTED METHANE EVAPORATION SYSTEM FOR NATURAL GAS LIQUEFACTION PE20090262A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/294,112 US6658890B1 (en) 2002-11-13 2002-11-13 Enhanced methane flash system for natural gas liquefaction

Publications (1)

Publication Number Publication Date
PE20090262A1 true PE20090262A1 (en) 2009-03-19

Family

ID=29711780

Family Applications (3)

Application Number Title Priority Date Filing Date
PE2008001630A PE20090267A1 (en) 2002-11-13 2003-11-11 AUGMENTED METHANE EVAPORATION SYSTEM FOR NATURAL GAS LIQUEFACTION
PE2003001138A PE20040391A1 (en) 2002-11-13 2003-11-11 PROCESS TO LIQUEFIED NATURAL GAS
PE2008001629A PE20090262A1 (en) 2002-11-13 2003-11-11 AUGMENTED METHANE EVAPORATION SYSTEM FOR NATURAL GAS LIQUEFACTION

Family Applications Before (2)

Application Number Title Priority Date Filing Date
PE2008001630A PE20090267A1 (en) 2002-11-13 2003-11-11 AUGMENTED METHANE EVAPORATION SYSTEM FOR NATURAL GAS LIQUEFACTION
PE2003001138A PE20040391A1 (en) 2002-11-13 2003-11-11 PROCESS TO LIQUEFIED NATURAL GAS

Country Status (6)

Country Link
US (2) US6658890B1 (en)
AU (1) AU2003287589B2 (en)
OA (1) OA12959A (en)
PE (3) PE20090267A1 (en)
RU (1) RU2330223C2 (en)
WO (1) WO2004044508A2 (en)

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US7866184B2 (en) * 2004-06-16 2011-01-11 Conocophillips Company Semi-closed loop LNG process
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Also Published As

Publication number Publication date
RU2330223C2 (en) 2008-07-27
PE20040391A1 (en) 2004-06-25
AU2003287589B2 (en) 2009-07-16
US6658890B1 (en) 2003-12-09
WO2004044508A2 (en) 2004-05-27
OA12959A (en) 2006-10-13
PE20090267A1 (en) 2009-03-19
US7404300B2 (en) 2008-07-29
AU2003287589A1 (en) 2004-06-03
WO2004044508A3 (en) 2004-08-26
US20060137391A1 (en) 2006-06-29
RU2005118106A (en) 2006-01-27

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